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		<title>BBillboard</title>
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		<div class="class" name="BBillboard">
			<h1>BBillboard</h1>
			<p>继承自<a href="BShape.html">BShape</a></p>
			<p id="resume"><a href="#desc">详细</a></p>
			<h2>public</h2>
			<table id="public">
				<tr><td align="right">enum </td><td><a href="#"><div id="{"><h3>enum {</h3></div>
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			<h2>public</h2>
			<table id="public">
				<tr><td align="right"></td><td><a href="#BBillboard()">BBillboard</a>();</td></tr>
				<tr><td align="right"></td><td><a href="#BBillboard(BReal)">BBillboard</a>(BReal size);</td></tr>
				<tr><td align="right"></td><td><a href="#BBillboard(BReal, BReal)">BBillboard</a>(BReal width, BReal height);</td></tr>
				<tr><td align="right"></td><td><a href="#BBillboard(const BBillboard&)">BBillboard</a>(const BBillboard& other);</td></tr>
				<tr><td align="right"></td><td><a href="#~BBillboard()">~BBillboard</a>();</td></tr>
				<tr><td align="right">virtual void </td><td><a href="#copy(const BShape*)">copy</a>(const BShape* other);</td></tr>
				<tr><td align="right">virtual BShape* </td><td><a href="#clone()">clone</a>() const;</td></tr>
				<tr><td align="right">void </td><td><a href="#setSize(BReal, BReal)">setSize</a>(BReal width, BReal height);</td></tr>
				<tr><td align="right">void </td><td><a href="#setSize(const BRealSize&)">setSize</a>(const BRealSize& size);</td></tr>
				<tr><td align="right">const BRealSize& </td><td><a href="#size()">size</a>();</td></tr>
				<tr><td align="right">void </td><td><a href="#setFacing(Facing)">setFacing</a>(Facing facing);</td></tr>
				<tr><td align="right">Facing </td><td><a href="#facing()">facing</a>() const;</td></tr>
				<tr><td align="right">void </td><td><a href="#setAxis(const BVector&)">setAxis</a>(const BVector& axis);</td></tr>
				<tr><td align="right">const BVector& </td><td><a href="#axis()">axis</a>() const;</td></tr>
				<tr><td align="right">const BQuad& </td><td><a href="#quad()">quad</a>() const;</td></tr>
				<tr><td align="right">using </td><td><a href="#BShape::query;()">BShape::query;</a></td></tr>
				<tr><td align="right">virtual bool </td><td><a href="#query(const BString&, BValue&)">query</a>(const BString& text, BValue& value) const;</td></tr>
				<tr><td align="right">virtual BVector </td><td><a href="#inertia(BReal)">inertia</a>(BReal mass) const;</td></tr>
				<tr><td align="right">virtual BVector </td><td><a href="#vertex(const BVector&)">vertex</a>(const BVector& direct) const;</td></tr>
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			<h2>protected</h2>
			<table id="protected">
				<tr><td align="right">virtual void </td><td><a href="#refresh(BBox&)">refresh</a>(BBox& box);</td></tr>
				<tr><td align="right">virtual void </td><td><a href="#render(BRender&)">render</a>(BRender& render);</td></tr>
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			<div id="desc">
				<h2>详细介绍：</h2>
			</div>
			<h2 id="docs">成员文档：</h2>
			<div id="">
				<h3>enum enum {</h3>
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			<div id="BBillboard()">
				<h3>BBillboard();</h3>
			</div>
			<div id="BBillboard(BReal)">
				<h3>BBillboard(BReal size);</h3>
			</div>
			<div id="BBillboard(BReal, BReal)">
				<h3>BBillboard(BReal width, BReal height);</h3>
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			<div id="BBillboard(const BBillboard&)">
				<h3>BBillboard(const BBillboard&amp; other);</h3>
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			<div id="~BBillboard()">
				<h3>~BBillboard();</h3>
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			<div id="copy(const BShape*)">
				<h3>virtual void copy(const BShape* other);</h3>
			</div>
			<div id="clone()">
				<h3>virtual BShape* clone() const;</h3>
			</div>
			<div id="setSize(BReal, BReal)">
				<h3>void setSize(BReal width, BReal height);</h3>
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			<div id="setSize(const BRealSize&)">
				<h3>void setSize(const BRealSize&amp; size);</h3>
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			<div id="size()">
				<h3>const BRealSize&amp; size();</h3>
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			<div id="setFacing(Facing)">
				<h3>void setFacing(Facing facing);</h3>
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			<div id="facing()">
				<h3>Facing facing() const;</h3>
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			<div id="setAxis(const BVector&)">
				<h3>void setAxis(const BVector&amp; axis);</h3>
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			<div id="axis()">
				<h3>const BVector&amp; axis() const;</h3>
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			<div id="quad()">
				<h3>const BQuad&amp; quad() const;</h3>
			</div>
			<div id="BShape::query;()">
				<h3>using BShape::query;</h3>
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			<div id="query(const BString&, BValue&)">
				<h3>virtual bool query(const BString&amp; text, BValue&amp; value) const;</h3>
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			<div id="inertia(BReal)">
				<h3>virtual BVector inertia(BReal mass) const;</h3>
			</div>
			<div id="vertex(const BVector&)">
				<h3>virtual BVector vertex(const BVector&amp; direct) const;</h3>
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			<div id="refresh(BBox&)">
				<h3>virtual void refresh(BBox&amp; box);</h3>
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			<div id="render(BRender&)">
				<h3>virtual void render(BRender&amp; render);</h3>
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